<template>
  <div class>
    <header>
      <div class="search-container">
        <div>
          <div class="search-zone">
            <span class="params-title">{{$t('field.relativeTime')}}：</span>
            <Select filterable v-model="viewCondition.timeTnterval" :disabled="disableTime" style="width:80px"  @on-change="initPanal">
              <Option v-for="item in dataPick" :value="item.value" :key="item.value">{{ item.label }}</Option>
            </Select>
          </div>
          <div class="search-zone">
            <span class="params-title">{{$t('placeholder.refresh')}}：</span>
            <Select v-model="viewCondition.autoRefresh" :disabled="disableTime" style="width:100px" @on-change="refreshInterval" :placeholder="$t('placeholder.refresh')">
              <Option v-for="item in autoRefreshConfig" :value="item.value" :key="item.value">{{ item.label }}</Option>
            </Select>
          </div>
          <div class="search-zone">
            <span class="params-title">{{$t('field.timeInterval')}}：</span>
            <DatePicker 
              type="datetimerange" 
              :value="viewCondition.dateRange" 
              split-panels
              format="yyyy-MM-dd HH:mm:ss" 
              placement="bottom-start" 
              @on-change="datePick" 
              :placeholder="$t('placeholder.datePicker')" 
              style="width: 320px">
            </DatePicker>
          </div>
          <div class="search-zone">
            <span class="params-title">{{$t('field.aggType')}}：</span>
            <RadioGroup v-model="viewCondition.agg" @on-change="initPanal" size="small" type="button">
              <Radio label="min">Min</Radio>
              <Radio label="max">Max</Radio>
              <Radio label="avg">Average </Radio>
              <Radio label="p95">P95</Radio>
              <Radio label="sum">Sum</Radio>
              <Radio label="none">Original</Radio>
              <Radio label="avg_nonzero">AverageNZ</Radio>
            </RadioGroup>
          </div>
        </div>
      </div>
    </header>
    <div class="zone zone-chart c-dark">
      <div class="col-md-12">
        <div class="zone-chart-title">{{panalTitle}}</div>
        <div v-if="!noDataTip">
          <div :id="elId" class="echart"  style="height:80vh"></div>
        </div>
        <div v-else class="echart echart-no-data-tip">
          <span>{{this.$t('m_noData')}}</span>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import Vue from 'vue';
import cloneDeep from 'lodash/cloneDeep';
import { generateUuid } from "@/assets/js/utils";
import { readyToDraw } from "@/assets/config/chart-rely"
import {dataPick, autoRefreshConfig} from '@/assets/config/common-config'
export default {
  name: "",
  data() {
    return {
      viewCondition: {
        timeTnterval: -1800,
        dateRange: ['', ''],
        autoRefresh: 10,
        agg: 'none'
      },
      dataPick: dataPick,
      autoRefreshConfig: autoRefreshConfig,

      viewData: null,
      panalData: null,

      elId: null,
      noDataTip: false,
      panalTitle: '',
      panalUnit: '',
      interval: null,
      allParams: null
    };
  },
  created() {
    generateUuid().then(elId => {
      this.elId = `id_${elId}`;
    });
  },
  destroyed () {
    clearInterval(this.interval)
  },
  computed: {
    disableTime() {
      return this.viewCondition.dateRange[0] !== '' && this.viewCondition.dateRange[1] !== ''
    }
  },
  methods: {
    initChart (params) {
      this.allParams = params;
      for(let key in this.viewCondition) {
        Vue.set(this.viewCondition, key, cloneDeep(params.viewCondition[key]))
      }
      if (params.templateData.cfg) {
        this.panalDataList = JSON.parse(params.templateData.cfg);
        const temp = this.panalDataList.filter(item => {
          return item.viewConfig.id === params.panal.id
        })
        this.panalData = temp[0]
        Vue.set(this.viewCondition, 'agg', this.panalData.aggregate)
        this.initPanal();
        this.scheduledRequest();
      }
    },
    scheduledRequest() {
      if (this.viewCondition.autoRefresh > 0) {
        clearInterval(this.interval)
        this.interval = setInterval(()=>{
          this.initPanal()
        },this.viewCondition.autoRefresh*1000)
      } else {
        clearInterval(this.interval)
      }
    },
    refreshInterval() {
      this.initPanal();
      this.scheduledRequest();
    },
    datePick (data) {
      this.viewCondition.dateRange = data
      if (this.viewCondition.dateRange[0] && this.viewCondition.dateRange[1]) {
        if (this.viewCondition.dateRange[0] === this.viewCondition.dateRange[1]) {
          this.viewCondition.dateRange[1] = this.viewCondition.dateRange[1].replace('00:00:00', '23:59:59')
        }
        this.viewCondition.autoRefresh = 0
        clearInterval(this.interval)
      }
      this.initPanal()
    },
    initPanal() {
      this.panalTitle = this.panalData.panalTitle;
      this.panalUnit = this.panalData.panalUnit;
      this.noDataTip = false;
      if (this.$root.$validate.isEmpty_reset(this.panalData.query)) {
        return;
      }
      let params = {
        aggregate: this.viewCondition.agg,
        agg_step: this.panalData.agg_step,
        time_second: this.viewCondition.timeTnterval,
        start: this.viewCondition.dateRange[0] ===''? 
          0 :Date.parse(this.viewCondition.dateRange[0].replace(/-/g, '/'))/1000,
          end: this.viewCondition.dateRange[1] ===''? 
          0 :Date.parse(this.viewCondition.dateRange[1].replace(/-/g, '/'))/1000,
        title: '',
        unit: '',
        data: [],
        custom_chart_guid: this.panalData.viewConfig.id
      }
      this.panalData.query.forEach(item => {
        params.data.push(item)
      })
      if (params !== []) {
        this.$root.$httpRequestEntrance.httpRequestEntrance(
          'POST',this.$root.apiCenter.metricConfigView.api, params,
          responseData => {
            responseData.yaxis.unit =  this.panalUnit  
            const chartConfig = {title: false, eye: false, clear: true, lineBarSwitch: true, chartType: this.panalData.chartType, params: params}
            readyToDraw(this,responseData, 1, chartConfig)
          }
        );
      }
    }
  },
  components: {}
};
</script>

<style scoped lang="less">
.zone {
  margin: 0 auto;
  background: @gray-f;
  border-radius: 4px;
}
.zone-chart-title {
  padding: 20px 40%;
  font-size: 14px;
}

.echart-no-data-tip {
  text-align: center;
  vertical-align: middle;
  display: table-cell;
}
</style>

<style scoped lang="less">
.search-container {
  display: flex;
  justify-content: space-between;
  margin: 8px;
  font-size: 16px;
}
.search-zone {
  display: inline-block;
}
.params-title {
  margin-left: 4px;
  font-size: 13px;
}
</style>